@media (min-width:280px) and (max-width:768px) {
    /*.col-xs-6 {
        width: 50%;
    }*/
}
@media (max-width: 280px) {
    /*.col-xs-6 {
        width: 100%;
    }*/
}

.col-xs-5ths, .col-sm-5ths, .col-md-5ths, .col-lg-5ths {
    position: relative;
    min-height: 1px;
    padding-right: 10px;
    padding-left: 10px;
}
.col-xs-5ths {
    width: 20%;
    float: left;
}
@media (min-width: 768px) {
    .col-sm-5ths {
        width: 20%;
        float: left;
    }
}
@media (min-width: 992px) {
    .col-md-5ths {
        width: 20%;
        float: left;
    }
}
@media (min-width: 1200px) {
    .col-lg-5ths {
        width: 20%;
        float: left;
    }
}